diff --git a/cmdutils.c b/cmdutils.c
index 67bb66e9b59e212334de84eb705ac09faa19d876..3480910338c3452c603af80c8d31e215ffadaef4 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -254,7 +254,7 @@ static void prepare_app_arguments(int *argc_ptr, char ***argv_ptr)
win32_argv_utf8 = av_mallocz(sizeof(char *) * (win32_argc + 1) + buffsize);
argstr_flat = (char *)win32_argv_utf8 + sizeof(char *) * (win32_argc + 1);
- if (win32_argv_utf8 == NULL) {
+ if (!win32_argv_utf8) {
LocalFree(argv_w);
return;
}
@@ -1242,7 +1242,7 @@ static int show_formats_devices(void *optctx, const char *opt, const char *arg,
is_dev = is_device(ofmt->priv_class);
if (!is_dev && device_only)
continue;
- if ((name == NULL || strcmp(ofmt->name, name) < 0) &&
+ if ((!name || strcmp(ofmt->name, name) < 0) &&
strcmp(ofmt->name, last_name) > 0) {
name = ofmt->name;
long_name = ofmt->long_name;
@@ -1253,7 +1253,7 @@ static int show_formats_devices(void *optctx, const char *opt, const char *arg,
is_dev = is_device(ifmt->priv_class);
if (!is_dev && device_only)
continue;
- if ((name == NULL || strcmp(ifmt->name, name) < 0) &&
+ if ((!name || strcmp(ifmt->name, name) < 0) &&
strcmp(ifmt->name, last_name) > 0) {
name = ifmt->name;
long_name = ifmt->long_name;
@@ -1262,7 +1262,7 @@ static int show_formats_devices(void *optctx, const char *opt, const char *arg,
if (name && strcmp(ifmt->name, name) == 0)
decode = 1;
}
- if (name == NULL)
+ if (!name)
break;
last_name = name;
diff --git a/compat/avisynth/avisynth_c.h b/compat/avisynth/avisynth_c.h
index 448493b8395834516176c783af6c136c879ec59d..2d3002a41cbcdf8908ca7a2a8417cdfc00434667 100644
--- a/compat/avisynth/avisynth_c.h
+++ b/compat/avisynth/avisynth_c.h
@@ -805,7 +805,7 @@ struct AVS_Library {
AVSC_INLINE AVS_Library * avs_load_library() {
AVS_Library *library = (AVS_Library *)malloc(sizeof(AVS_Library));
- if (library == NULL)
+ if (!library)
return NULL;
library->handle = LoadLibrary("avisynth");
if (library->handle == NULL)
@@ -870,7 +870,7 @@ fail:
}
AVSC_INLINE void avs_free_library(AVS_Library *library) {
- if (library == NULL)
+ if (!library)
return;
FreeLibrary(library->handle);
free(library);
diff --git a/compat/getopt.c b/compat/getopt.c
index 9a9c5421dea585cf52c308e5d2e77c8475501991..41a641f7c8a9b0fd5cc5f2837dde3c0fb54ed260 100644
--- a/compat/getopt.c
+++ b/compat/getopt.c
@@ -54,7 +54,7 @@ static int getopt(int argc, char *argv[], char *opts)
}
}
optopt = c = argv[optind][sp];
- if (c == ':' || (cp = strchr(opts, c)) == NULL) {
+ if (c == ':' || !(cp = strchr(opts, c))) {
fprintf(stderr, ": illegal option -- %c\n", c);
if (argv[optind][++sp] == '\0') {
optind++;
diff --git a/ffmpeg.c b/ffmpeg.c
index 7999f7277fa4b5ad09c04aafe8d37b02677a7250..2582fbf5013c63d6bb16f96c82c8d2dd7b099ca5 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -2083,7 +2083,7 @@ static int process_input_packet(InputStream *ist, const AVPacket *pkt)
if (ist->next_pts == AV_NOPTS_VALUE)
ist->next_pts = ist->pts;
- if (pkt == NULL) {
+ if (!pkt) {
/* EOF handling */
av_init_packet(&avpkt);
avpkt.data = NULL;
diff --git a/ffplay.c b/ffplay.c
index e1e4ccc73456f9667def51669a6f84f04748da7a..6a1660765cb64b7303f6d5b2ca45c5199222e67f 100644
--- a/ffplay.c
+++ b/ffplay.c
@@ -1652,7 +1652,7 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, double
is->img_convert_ctx = sws_getCachedContext(is->img_convert_ctx,
vp->width, vp->height, src_frame->format, vp->width, vp->height,
AV_PIX_FMT_YUV420P, sws_flags, NULL, NULL, NULL);
- if (is->img_convert_ctx == NULL) {
+ if (!is->img_convert_ctx) {
av_log(NULL, AV_LOG_FATAL, "Cannot initialize the conversion context\n");
exit(1);
}
diff --git a/ffserver.c b/ffserver.c
index 956d9f5172d146006e207fff9fc18057e3e9550f..e2e0f68757bc1ba7807084200d2c380bbb980234 100644
--- a/ffserver.c
+++ b/ffserver.c
@@ -1600,7 +1600,7 @@ static int http_parse_request(HTTPContext *c)
break;
stream = stream->next;
}
- if (stream == NULL) {
+ if (!stream) {
snprintf(msg, sizeof(msg), "File '%s' not found", url);
http_log("File '%s' not found\n", url);
goto send_error;
@@ -2980,7 +2980,7 @@ static int prepare_sdp_description(FFStream *stream, uint8_t **pbuffer,
*pbuffer = NULL;
avc = avformat_alloc_context();
- if (avc == NULL || !rtp_format) {
+ if (!avc || !rtp_format) {
return -1;
}
avc->oformat = rtp_format;
diff --git a/libavcodec/atrac3.c b/libavcodec/atrac3.c
index 435f1ac99eead0fdd6b3c40d6191df9524e4a0ad..d1dfa6b0edcffc1b911f5b027e6b82445e06007c 100644
--- a/libavcodec/atrac3.c
+++ b/libavcodec/atrac3.c
@@ -888,7 +888,7 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
q->decoded_bytes_buffer = av_mallocz(FFALIGN(avctx->block_align, 4) +
FF_INPUT_BUFFER_PADDING_SIZE);
- if (q->decoded_bytes_buffer == NULL)
+ if (!q->decoded_bytes_buffer)
return AVERROR(ENOMEM);
avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
diff --git a/libavcodec/cook.c b/libavcodec/cook.c
index 5860288e04dba75d1820a51f2cc35e13d28ed648..eb2654e0d59e3ed7d0380be49d1633d9aa453d2c 100644
--- a/libavcodec/cook.c
+++ b/libavcodec/cook.c
@@ -1239,7 +1239,7 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
av_mallocz(avctx->block_align
+ DECODE_BYTES_PAD1(avctx->block_align)
+ FF_INPUT_BUFFER_PADDING_SIZE);
- if (q->decoded_bytes_buffer == NULL)
+ if (!q->decoded_bytes_buffer)
return AVERROR(ENOMEM);
/* Initialize transform. */
diff --git a/libavcodec/dvbsub.c b/libavcodec/dvbsub.c
index f6b46e64a934e8f7f5df4fb10bbf6132ea5f6933..dd84a07664ae0618b02f0cd449c5f121fa4e94aa 100644
--- a/libavcodec/dvbsub.c
+++ b/libavcodec/dvbsub.c
@@ -258,7 +258,7 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s,
page_id = 1;
- if (h->num_rects && h->rects == NULL)
+ if (h->num_rects && !h->rects)
return -1;
/* page composition segment */
diff --git a/libavcodec/dvdsubdec.c b/libavcodec/dvdsubdec.c
index 2b363d02d9a713e3624314c82d8e8c82392dc748..e198a6c9a03d92f4bb10769e4d2d23bb0b8500f9 100644
--- a/libavcodec/dvdsubdec.c
+++ b/libavcodec/dvdsubdec.c
@@ -195,7 +195,7 @@ static void reset_rects(AVSubtitle *sub_header)
{
int i;
- if (sub_header->rects != NULL) {
+ if (sub_header->rects) {
for (i = 0; i < sub_header->num_rects; i++) {
av_freep(&sub_header->rects[i]->pict.data[0]);
av_freep(&sub_header->rects[i]->pict.data[1]);
@@ -414,7 +414,7 @@ static int find_smallest_bounding_rectangle(AVSubtitle *s)
int y1, y2, x1, x2, y, w, h, i;
uint8_t *bitmap;
- if (s->num_rects == 0 || s->rects == NULL || s->rects[0]->w <= 0 || s->rects[0]->h <= 0)
+ if (s->num_rects == 0 || !s->rects || s->rects[0]->w <= 0 || s->rects[0]->h <= 0)
return 0;
for(i = 0; i < s->rects[0]->nb_colors; i++) {
diff --git a/libavcodec/dvdsubenc.c b/libavcodec/dvdsubenc.c
index ced09dd5e36ba285ee23c23ddc33ad1991657bfe..425f0af9eec00058b2f2fbc5df2f325750d16902 100644
--- a/libavcodec/dvdsubenc.c
+++ b/libavcodec/dvdsubenc.c
@@ -264,7 +264,7 @@ static int encode_dvd_subtitles(AVCodecContext *avctx,
int x2, y2;
int forced = 0;
- if (rects == 0 || h->rects == NULL)
+ if (rects == 0 || !h->rects)
return AVERROR(EINVAL);
for (i = 0; i < rects; i++)
if (h->rects[i]->type != SUBTITLE_BITMAP) {
diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index 0e1161453b1a10c8eddf928bb4432e55d583c628..ff6f0436e3c0340a309a0f8e66cdcefec916433b 100644
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -502,7 +502,7 @@ retry:
if ((ret = ff_mpv_common_init(s)) < 0)
return ret;
- if (s->current_picture_ptr == NULL || s->current_picture_ptr->f->data[0]) {
+ if (!s->current_picture_ptr || s->current_picture_ptr->f->data[0]) {
int i = ff_find_unused_picture(s, 0);
if (i < 0)
return i;
@@ -546,7 +546,7 @@ retry:
s->current_picture.f->key_frame = s->pict_type == AV_PICTURE_TYPE_I;
/* skip B-frames if we don't have reference frames */
- if (s->last_picture_ptr == NULL &&
+ if (!s->last_picture_ptr &&
(s->pict_type == AV_PICTURE_TYPE_B || s->droppable))
return get_consumed_bytes(s, buf_size);
if ((avctx->skip_frame >= AVDISCARD_NONREF &&
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 76161e9730a942087b7285b648946fa896fe755f..389307b56964a82a9491f7c21781ca0f83dd12b8 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -299,7 +299,7 @@ const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src,
av_fast_padded_malloc(&h->rbsp_buffer[bufidx], &h->rbsp_buffer_size[bufidx], length+MAX_MBPAIR_SIZE);
dst = h->rbsp_buffer[bufidx];
- if (dst == NULL)
+ if (!dst)
return NULL;
if(i>=length-1){ //no escaped 0
@@ -1417,7 +1417,7 @@ static int get_last_needed_nal(H264Context *h, const uint8_t *buf, int buf_size)
ptr = ff_h264_decode_nal(h, buf + buf_index, &dst_length, &consumed,
next_avc - buf_index);
- if (ptr == NULL || dst_length < 0)
+ if (!ptr || dst_length < 0)
return AVERROR_INVALIDDATA;
buf_index += consumed;
@@ -1516,7 +1516,7 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size,
ptr = ff_h264_decode_nal(hx, buf + buf_index, &dst_length,
&consumed, next_avc - buf_index);
- if (ptr == NULL || dst_length < 0) {
+ if (!ptr || dst_length < 0) {
ret = -1;
goto end;
}
diff --git a/libavcodec/h264_parser.c b/libavcodec/h264_parser.c
index 1d4c2cfaee4dbcb49c536c995f68ab04e86d5a1e..36cf980c8edea6da07d3f518ca6c834d5bdd55e3 100644
--- a/libavcodec/h264_parser.c
+++ b/libavcodec/h264_parser.c
@@ -262,7 +262,7 @@ static inline int parse_nal_units(AVCodecParserContext *s,
break;
}
ptr = ff_h264_decode_nal(h, buf, &dst_length, &consumed, src_length);
- if (ptr == NULL || dst_length < 0)
+ if (!ptr || dst_length < 0)
break;
init_get_bits(&h->gb, ptr, 8 * dst_length);
diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c
index 970733289201de05b4e837628c7ac94b984c37c0..20136704d432747c69583c89bcdb5dd45d3522d2 100644
--- a/libavcodec/h264_ps.c
+++ b/libavcodec/h264_ps.c
@@ -619,7 +619,7 @@ int ff_h264_decode_picture_parameter_set(H264Context *h, int bit_length)
return AVERROR(ENOMEM);
pps->sps_id = get_ue_golomb_31(&h->gb);
if ((unsigned)pps->sps_id >= MAX_SPS_COUNT ||
- h->sps_buffers[pps->sps_id] == NULL) {
+ !h->sps_buffers[pps->sps_id]) {
av_log(h->avctx, AV_LOG_ERROR, "sps_id %u out of range\n", pps->sps_id);
goto fail;
}
diff --git a/libavcodec/h264_refs.c b/libavcodec/h264_refs.c
index de1f60a41f5b0f55352194e7f1f34d3855fe0424..0c7a7894fdb3da6fc9b3d5fda4acef87479fbc6c 100644
--- a/libavcodec/h264_refs.c
+++ b/libavcodec/h264_refs.c
@@ -811,7 +811,7 @@ int ff_h264_decode_ref_pic_marking(H264Context *h, GetBitContext *gb,
(h->max_pic_num - 1);
#if 0
if (mmco[i].short_pic_num >= h->short_ref_count ||
- h->short_ref[ mmco[i].short_pic_num ] == NULL){
+ !h->short_ref[ mmco[i].short_pic_num ]) {
av_log(s->avctx, AV_LOG_ERROR,
"illegal short ref in memory management control "
"operation %d\n", mmco);
diff --git a/libavcodec/huffyuvdec.c b/libavcodec/huffyuvdec.c
index 06e99bc6d93e5b4399790f5c561062e68156223f..e4e5ea04bcceab851e0749ab2563f01f0b21a231 100644
--- a/libavcodec/huffyuvdec.c
+++ b/libavcodec/huffyuvdec.c
@@ -800,7 +800,7 @@ static void draw_slice(HYuvContext *s, AVFrame *frame, int y)
int h, cy, i;
int offset[AV_NUM_DATA_POINTERS];
- if (s->avctx->draw_horiz_band == NULL)
+ if (!s->avctx->draw_horiz_band)
return;
h = y - s->last_slice_end;
diff --git a/libavcodec/interplayvideo.c b/libavcodec/interplayvideo.c
index 542fefe146c60c6535ed9922473a80acb6d2c8c1..0f6c4e233942b1a9a27b72cee279665cacd8ede4 100644
--- a/libavcodec/interplayvideo.c
+++ b/libavcodec/interplayvideo.c
@@ -79,7 +79,7 @@ static int copy_from(IpvideoContext *s, AVFrame *src, AVFrame *dst, int delta_x,
motion_offset, s->upper_motion_limit_offset);
return AVERROR_INVALIDDATA;
}
- if (src->data[0] == NULL) {
+ if (!src->data[0]) {
av_log(s->avctx, AV_LOG_ERROR, "Invalid decode type, corrupted header?\n");
return AVERROR(EINVAL);
}
diff --git a/libavcodec/lcldec.c b/libavcodec/lcldec.c
index 60069d49c5968d6ed42972a9303029d24734353e..491a0e9d0220239b1617574f3566c5419ef6517a 100644
--- a/libavcodec/lcldec.c
+++ b/libavcodec/lcldec.c
@@ -593,7 +593,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
/* Allocate decompression buffer */
if (c->decomp_size) {
- if ((c->decomp_buf = av_malloc(max_decomp_size)) == NULL) {
+ if (!(c->decomp_buf = av_malloc(max_decomp_size))) {
av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n");
return AVERROR(ENOMEM);
}
diff --git a/libavcodec/libmp3lame.c b/libavcodec/libmp3lame.c
index fed82e271ead532897258ed202c57871ce5b751f..1ac79a2ed9dc3a9c714c7706da3f38780f6175f4 100644
--- a/libavcodec/libmp3lame.c
+++ b/libavcodec/libmp3lame.c
@@ -94,7 +94,7 @@ static av_cold int mp3lame_encode_init(AVCodecContext *avctx)
s->avctx = avctx;
/* initialize LAME and get defaults */
- if ((s->gfp = lame_init()) == NULL)
+ if (!(s->gfp = lame_init()))
return AVERROR(ENOMEM);
diff --git a/libavcodec/libopusenc.c b/libavcodec/libopusenc.c
index 8ceb877f385a16b2a6c4296cefadd7688e5a587a..75e82dac0dd9027519b6996c9239ae01faa00a16 100644
--- a/libavcodec/libopusenc.c
+++ b/libavcodec/libopusenc.c
@@ -366,7 +366,7 @@ static int libopus_encode(AVCodecContext *avctx, AVPacket *avpkt,
uint8_t* side_data = av_packet_new_side_data(avpkt,
AV_PKT_DATA_SKIP_SAMPLES,
10);
- if(side_data == NULL) {
+ if(!side_data) {
av_free_packet(avpkt);
av_free(avpkt);
return AVERROR(ENOMEM);
diff --git a/libavcodec/libstagefright.cpp b/libavcodec/libstagefright.cpp
index 346cc9ce607e7e00d1b776ddfc954cdbaca97484..44d7ea1492fe57169a459ec264e80db1d83c8538 100644
--- a/libavcodec/libstagefright.cpp
+++ b/libavcodec/libstagefright.cpp
@@ -280,7 +280,7 @@ static av_cold int Stagefright_init(AVCodecContext *avctx)
memcpy(s->orig_extradata, avctx->extradata, avctx->extradata_size);
meta = new MetaData;
- if (meta == NULL) {
+ if (!meta) {
ret = AVERROR(ENOMEM);
goto fail;
}
diff --git a/libavcodec/libutvideoenc.cpp b/libavcodec/libutvideoenc.cpp
index f0d56194b4a5b69671b850288dda5f8b8595e4fc..3298e64350530d1fd2753f8462973a48454bb6d4 100644
--- a/libavcodec/libutvideoenc.cpp
+++ b/libavcodec/libutvideoenc.cpp
@@ -85,7 +85,7 @@ static av_cold int utvideo_encode_init(AVCodecContext *avctx)
/* Alloc extradata buffer */
info = (UtVideoExtra *)av_malloc(sizeof(*info));
- if (info == NULL) {
+ if (!info) {
av_log(avctx, AV_LOG_ERROR, "Could not allocate extradata buffer.\n");
return AVERROR(ENOMEM);
}
diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c
index 3dddffd88ea3c8006b794fe7a7d7938c6b53c6a7..f8a65fbb66acc5efffc4da3d0e53c0bf38e8c775 100644
--- a/libavcodec/libvpxenc.c
+++ b/libavcodec/libvpxenc.c
@@ -542,7 +542,7 @@ static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
side_data = av_packet_new_side_data(pkt,
AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL,
cx_frame->sz_alpha + 8);
- if(side_data == NULL) {
+ if(!side_data) {
av_free_packet(pkt);
av_free(pkt);
return AVERROR(ENOMEM);
diff --git a/libavcodec/libxvid.c b/libavcodec/libxvid.c
index b521e010e3dabc50bff7014bef9cc9270347c01a..a97d53c60aeca5c5b40b01478f7a27f0be9327c7 100644
--- a/libavcodec/libxvid.c
+++ b/libavcodec/libxvid.c
@@ -110,7 +110,7 @@ static int xvid_ff_2pass_create(xvid_plg_create_t * param,
char *log = x->context->twopassbuffer;
/* Do a quick bounds check */
- if( log == NULL )
+ if (!log)
return XVID_ERR_FAIL;
/* We use snprintf() */
@@ -201,7 +201,7 @@ static int xvid_ff_2pass_after(struct xvid_context *ref,
char frame_type;
/* Quick bounds check */
- if( log == NULL )
+ if (!log)
return XVID_ERR_FAIL;
/* Convert the type given to us into a character */
@@ -285,7 +285,7 @@ static int xvid_strip_vol_header(AVCodecContext *avctx,
if( vo_len > 0 ) {
/* We need to store the header, so extract it */
- if( avctx->extradata == NULL ) {
+ if (!avctx->extradata) {
avctx->extradata = av_malloc(vo_len);
memcpy(avctx->extradata, pkt->data, vo_len);
avctx->extradata_size = vo_len;
@@ -483,7 +483,7 @@ static av_cold int xvid_encode_init(AVCodecContext *avctx) {
rc2pass1.context = x;
x->twopassbuffer = av_malloc(BUFFER_SIZE);
x->old_twopassbuffer = av_malloc(BUFFER_SIZE);
- if( x->twopassbuffer == NULL || x->old_twopassbuffer == NULL ) {
+ if (!x->twopassbuffer || !x->old_twopassbuffer) {
av_log(avctx, AV_LOG_ERROR,
"Xvid: Cannot allocate 2-pass log buffers\n");
goto fail;
@@ -505,7 +505,7 @@ static av_cold int xvid_encode_init(AVCodecContext *avctx) {
}
x->twopassfd = fd;
- if( avctx->stats_in == NULL ) {
+ if (!avctx->stats_in) {
av_log(avctx, AV_LOG_ERROR,
"Xvid: No 2-pass information loaded for second pass\n");
goto fail;
diff --git a/libavcodec/motion_est.c b/libavcodec/motion_est.c
index 0eeb2aa176895f35b136997512f2847734309fce..81ee2bd6b3c8780a835dede10463ff586d720894 100644
--- a/libavcodec/motion_est.c
+++ b/libavcodec/motion_est.c
@@ -1753,7 +1753,7 @@ void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_
int xy= y*s->mb_stride;
for(x=0; x<s->mb_width; x++){
if (s->mb_type[xy] & type){ // RAL: "type" test added...
- if(field_select_table==NULL || field_select_table[xy] == field_select){
+ if (!field_select_table || field_select_table[xy] == field_select) {
if( mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range
|| mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){
diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c
index 49a6ab3b416ded6a2822e75400fd86833d5290f0..b9c435dcb8451e7eb539e71556c654e9338f9e8a 100644
--- a/libavcodec/mpeg12dec.c
+++ b/libavcodec/mpeg12dec.c
@@ -2597,7 +2597,7 @@ static int decode_chunks(AVCodecContext *avctx, AVFrame *picture,
return -1;
}
- if (s2->last_picture_ptr == NULL) {
+ if (!s2->last_picture_ptr) {
/* Skip B-frames if we do not have reference frames and
* GOP is not closed. */
if (s2->pict_type == AV_PICTURE_TYPE_B) {
@@ -2609,7 +2609,7 @@ static int decode_chunks(AVCodecContext *avctx, AVFrame *picture,
}
if (s2->pict_type == AV_PICTURE_TYPE_I || (s2->flags2 & CODEC_FLAG2_SHOW_ALL))
s->sync = 1;
- if (s2->next_picture_ptr == NULL) {
+ if (!s2->next_picture_ptr) {
/* Skip P-frames if we do not have a reference frame or
* we have an invalid header. */
if (s2->pict_type == AV_PICTURE_TYPE_P && !s->sync) {
diff --git a/libavcodec/mpegaudiodec_template.c b/libavcodec/mpegaudiodec_template.c
index 05237070ea75d2dccb88b9fa9a0d0dc9503db60e..e2523b49cabb24a76678929f3eb0dc321d89b303 100644
--- a/libavcodec/mpegaudiodec_template.c
+++ b/libavcodec/mpegaudiodec_template.c
@@ -1831,7 +1831,7 @@ static av_cold int decode_init_mp3on4(AVCodecContext * avctx)
MPEG4AudioConfig cfg;
int i;
- if ((avctx->extradata_size < 2) || (avctx->extradata == NULL)) {
+ if ((avctx->extradata_size < 2) || !avctx->extradata) {
av_log(avctx, AV_LOG_ERROR, "Codec extradata missing or too short.\n");
return AVERROR_INVALIDDATA;
}
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 119aae2e82be31c6a1b6302d903650864f378146..ed4ca3561dc5e82bc9e6359a9f057715f1c2250b 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -870,7 +870,7 @@ fail:
static void free_duplicate_context(MpegEncContext *s)
{
- if (s == NULL)
+ if (!s)
return;
av_freep(&s->edge_emu_buffer);
@@ -1671,7 +1671,7 @@ static inline int pic_is_unused(MpegEncContext *s, Picture *pic)
{
if (pic == s->last_picture_ptr)
return 0;
- if (pic->f->buf[0] == NULL)
+ if (!pic->f->buf[0])
return 1;
if (pic->needs_realloc && !(pic->reference & DELAYED_PIC_REF))
return 1;
@@ -1684,7 +1684,7 @@ static int find_unused_picture(MpegEncContext *s, int shared)
if (shared) {
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
- if (s->picture[i].f->buf[0] == NULL && &s->picture[i] != s->last_picture_ptr)
+ if (!s->picture[i].f->buf[0] && &s->picture[i] != s->last_picture_ptr)
return i;
}
} else {
@@ -1780,8 +1780,7 @@ int ff_mpv_frame_start(MpegEncContext *s, AVCodecContext *avctx)
release_unused_pictures(s);
- if (s->current_picture_ptr &&
- s->current_picture_ptr->f->buf[0] == NULL) {
+ if (s->current_picture_ptr && !s->current_picture_ptr->f->buf[0]) {
// we already have a unused image
// (maybe it was set before reading the header)
pic = s->current_picture_ptr;
@@ -1839,8 +1838,7 @@ int ff_mpv_frame_start(MpegEncContext *s, AVCodecContext *avctx)
s->current_picture_ptr ? s->current_picture_ptr->f->data[0] : NULL,
s->pict_type, s->droppable);
- if ((s->last_picture_ptr == NULL ||
- s->last_picture_ptr->f->buf[0] == NULL) &&
+ if ((!s->last_picture_ptr || !s->last_picture_ptr->f->buf[0]) &&
(s->pict_type != AV_PICTURE_TYPE_I ||
s->picture_structure != PICT_FRAME)) {
int h_chroma_shift, v_chroma_shift;
@@ -1893,8 +1891,7 @@ int ff_mpv_frame_start(MpegEncContext *s, AVCodecContext *avctx)
ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 0);
ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 1);
}
- if ((s->next_picture_ptr == NULL ||
- s->next_picture_ptr->f->buf[0] == NULL) &&
+ if ((!s->next_picture_ptr || !s->next_picture_ptr->f->buf[0]) &&
s->pict_type == AV_PICTURE_TYPE_B) {
/* Allocate a dummy frame */
i = ff_find_unused_picture(s, 0);
@@ -3240,7 +3237,7 @@ void ff_mpeg_flush(AVCodecContext *avctx){
int i;
MpegEncContext *s = avctx->priv_data;
- if(s==NULL || s->picture==NULL)
+ if (!s || !s->picture)
return;
for (i = 0; i < MAX_PICTURE_COUNT; i++)
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index ffcd9da36ca089d3d3e3dfcafe13f7fbba093bfe..f5427df0c948408798e71fef263cf9660184be24 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1379,7 +1379,7 @@ static int select_input_picture(MpegEncContext *s)
s->reordered_input_picture[MAX_PICTURE_COUNT - 1] = NULL;
/* set next picture type & ordering */
- if (s->reordered_input_picture[0] == NULL && s->input_picture[0]) {
+ if (!s->reordered_input_picture[0] && s->input_picture[0]) {
if (s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor) {
if (s->picture_in_gop_number < s->gop_size &&
s->next_picture_ptr &&
@@ -1394,7 +1394,7 @@ static int select_input_picture(MpegEncContext *s)
}
if (/*s->picture_in_gop_number >= s->gop_size ||*/
- s->next_picture_ptr == NULL || s->intra_only) {
+ !s->next_picture_ptr || s->intra_only) {
s->reordered_input_picture[0] = s->input_picture[0];
s->reordered_input_picture[0]->f->pict_type = AV_PICTURE_TYPE_I;
s->reordered_input_picture[0]->f->coded_picture_number =
@@ -1434,7 +1434,7 @@ static int select_input_picture(MpegEncContext *s)
}
}
for (i = 0; i < s->max_b_frames + 1; i++) {
- if (s->input_picture[i] == NULL ||
+ if (!s->input_picture[i] ||
s->input_picture[i]->b_frame_score - 1 >
s->mb_num / s->avctx->b_sensitivity)
break;
diff --git a/libavcodec/options.c b/libavcodec/options.c
index 64b27e576822ec59badcd5c19e0de49f310f3d60..ec9830faced6f0d7385168871ebfc3ec9ebce714 100644
--- a/libavcodec/options.c
+++ b/libavcodec/options.c
@@ -144,7 +144,8 @@ AVCodecContext *avcodec_alloc_context3(const AVCodec *codec)
{
AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
- if(avctx==NULL) return NULL;
+ if (!avctx)
+ return NULL;
if(avcodec_get_context_defaults3(avctx, codec) < 0){
av_free(avctx);
diff --git a/libavcodec/opus_celt.c b/libavcodec/opus_celt.c
index fad471beb6a30918632845a9845db81b7122ee0b..e8a8de7f45b0491d07a10778d4509d2470d16bf3 100644
--- a/libavcodec/opus_celt.c
+++ b/libavcodec/opus_celt.c
@@ -1608,7 +1608,7 @@ static unsigned int celt_decode_band(CeltContext *s, OpusRangeCoder *rc,
for (j = 0; j < N; j++)
X[j] = 0.0f;
} else {
- if (lowband == NULL) {
+ if (!lowband) {
/* Noise */
for (j = 0; j < N; j++)
X[j] = (((int32_t)celt_rng(s)) >> 20);
diff --git a/libavcodec/qdm2.c b/libavcodec/qdm2.c
index bf830db9406f1a3da6880d0cd5d72dbd361bb8c1..2def54698889a0b72ddfe680766819b884f9a1b2 100644
--- a/libavcodec/qdm2.c
+++ b/libavcodec/qdm2.c
@@ -1506,7 +1506,7 @@ static void qdm2_decode_fft_packets(QDM2Context *q)
int i, j, min, max, value, type, unknown_flag;
GetBitContext gb;
- if (q->sub_packet_list_B[0].packet == NULL)
+ if (!q->sub_packet_list_B[0].packet)
return;
/* reset minimum indexes for FFT coefficients */
diff --git a/libavcodec/roqvideo.c b/libavcodec/roqvideo.c
index eb8fc253ad074543a0a37eab6a3c4b25c7d2d5f0..8eda93c13cc93d4aba3812dc079aa1007fcceb0e 100644
--- a/libavcodec/roqvideo.c
+++ b/libavcodec/roqvideo.c
@@ -115,7 +115,7 @@ static inline void apply_motion_generic(RoqContext *ri, int x, int y, int deltax
return;
}
- if (ri->last_frame->data[0] == NULL) {
+ if (!ri->last_frame->data[0]) {
av_log(ri->avctx, AV_LOG_ERROR, "Invalid decode type. Invalid header?\n");
return;
}
diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c
index 7bec038a9bb2f10869c2959c173de93086e3635d..251823d4539dfc8b5b9079bcb99a2168160a0969 100644
--- a/libavcodec/rv10.c
+++ b/libavcodec/rv10.c
@@ -330,7 +330,7 @@ static int rv20_decode_picture_header(RVDecContext *rv)
av_log(s->avctx, AV_LOG_ERROR, "low delay B\n");
return -1;
}
- if (s->last_picture_ptr == NULL && s->pict_type == AV_PICTURE_TYPE_B) {
+ if (!s->last_picture_ptr && s->pict_type == AV_PICTURE_TYPE_B) {
av_log(s->avctx, AV_LOG_ERROR, "early B-frame\n");
return AVERROR_INVALIDDATA;
}
@@ -577,7 +577,7 @@ static int rv10_decode_packet(AVCodecContext *avctx, const uint8_t *buf,
return AVERROR_INVALIDDATA;
}
- if ((s->mb_x == 0 && s->mb_y == 0) || s->current_picture_ptr == NULL) {
+ if ((s->mb_x == 0 && s->mb_y == 0) || !s->current_picture_ptr) {
// FIXME write parser so we always have complete frames?
if (s->current_picture_ptr) {
ff_er_frame_end(&s->er);
diff --git a/libavcodec/tscc.c b/libavcodec/tscc.c
index a7a0c2ecaffb4c89fb88b2dbc1eb02d466a54295..628a6b3c361238bd97873d7a9b268ca858fea1fc 100644
--- a/libavcodec/tscc.c
+++ b/libavcodec/tscc.c
@@ -143,7 +143,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
/* Allocate decompression buffer */
if (c->decomp_size) {
- if ((c->decomp_buf = av_malloc(c->decomp_size)) == NULL) {
+ if (!(c->decomp_buf = av_malloc(c->decomp_size))) {
av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n");
return AVERROR(ENOMEM);
}
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index e1d8ca6ed55c5f545d6510bbf229be4ff577606a..7b7de45b4567d6accb01d171ecce5fefd8f5325e 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -6023,7 +6023,7 @@ static int vc1_decode_frame(AVCodecContext *avctx, void *data,
s->current_picture.f->key_frame = s->pict_type == AV_PICTURE_TYPE_I;
/* skip B-frames if we don't have reference frames */
- if (s->last_picture_ptr == NULL && (s->pict_type == AV_PICTURE_TYPE_B || s->droppable)) {
+ if (!s->last_picture_ptr && (s->pict_type == AV_PICTURE_TYPE_B || s->droppable)) {
av_log(v->s.avctx, AV_LOG_DEBUG, "Skipping B frame without reference frames\n");
goto end;
}
diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index 3f04d8f2583260709e0c7bfc535d3b0cbbb72793..bd1afc02efeef14bf29ce88d785a026a33254685 100644
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -1429,7 +1429,7 @@ static void vp3_draw_horiz_band(Vp3DecodeContext *s, int y)
0);
}
- if (s->avctx->draw_horiz_band == NULL)
+ if (!s->avctx->draw_horiz_band)
return;
h = y - s->last_slice_end;
diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index 60accf634892a6d8bfdfe81e7015b3812b66637c..d72fb573113027581c64760b6cf1532e77c1d7d9 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -2238,7 +2238,7 @@ static void vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame,
int pos = (mb_y << 16) | (mb_x & 0xFFFF); \
int sliced_threading = (avctx->active_thread_type == FF_THREAD_SLICE) && \
(num_jobs > 1); \
- int is_null = (next_td == NULL) || (prev_td == NULL); \
+ int is_null = !next_td || !prev_td; \
int pos_check = (is_null) ? 1 \
: (next_td != td && \
pos >= next_td->wait_mb_pos) || \
diff --git a/libavcodec/zmbv.c b/libavcodec/zmbv.c
index 21a9e35c39c44da8d6360130e23c45edf9a98e2f..c16d9121170817a50c75befc6d8529328cead818 100644
--- a/libavcodec/zmbv.c
+++ b/libavcodec/zmbv.c
@@ -500,7 +500,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
c->decode_intra= decode_intra;
}
- if (c->decode_intra == NULL) {
+ if (!c->decode_intra) {
av_log(avctx, AV_LOG_ERROR, "Error! Got no format or no keyframe!\n");
return AVERROR_INVALIDDATA;
}
@@ -588,7 +588,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
/* Allocate decompression buffer */
if (c->decomp_size) {
- if ((c->decomp_buf = av_mallocz(c->decomp_size)) == NULL) {
+ if (!(c->decomp_buf = av_mallocz(c->decomp_size))) {
av_log(avctx, AV_LOG_ERROR,
"Can't allocate decompression buffer.\n");
return AVERROR(ENOMEM);
diff --git a/libavcodec/zmbvenc.c b/libavcodec/zmbvenc.c
index 28dbe20f069469932ce4f70e1735205d3aa773f5..2d56a13e016b749b105e3d4534292255eca21614 100644
--- a/libavcodec/zmbvenc.c
+++ b/libavcodec/zmbvenc.c
@@ -296,7 +296,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
memset(&c->zstream, 0, sizeof(z_stream));
c->comp_size = avctx->width * avctx->height + 1024 +
((avctx->width + ZMBV_BLOCK - 1) / ZMBV_BLOCK) * ((avctx->height + ZMBV_BLOCK - 1) / ZMBV_BLOCK) * 2 + 4;
- if ((c->work_buf = av_malloc(c->comp_size)) == NULL) {
+ if (!(c->work_buf = av_malloc(c->comp_size))) {
av_log(avctx, AV_LOG_ERROR, "Can't allocate work buffer.\n");
return AVERROR(ENOMEM);
}
@@ -305,12 +305,12 @@ static av_cold int encode_init(AVCodecContext *avctx)
((c->comp_size + 63) >> 6) + 11;
/* Allocate compression buffer */
- if ((c->comp_buf = av_malloc(c->comp_size)) == NULL) {
+ if (!(c->comp_buf = av_malloc(c->comp_size))) {
av_log(avctx, AV_LOG_ERROR, "Can't allocate compression buffer.\n");
return AVERROR(ENOMEM);
}
c->pstride = FFALIGN(avctx->width, 16);
- if ((c->prev = av_malloc(c->pstride * avctx->height)) == NULL) {
+ if (!(c->prev = av_malloc(c->pstride * avctx->height))) {
av_log(avctx, AV_LOG_ERROR, "Can't allocate picture.\n");
return AVERROR(ENOMEM);
}
diff --git a/libavdevice/v4l2.c b/libavdevice/v4l2.c
index 64df0c7950f4a6fb0562c25ee3c3f1150532d6d9..d9ff1a47e293b66998017d48bf6df2da0d2f2c85 100644
--- a/libavdevice/v4l2.c
+++ b/libavdevice/v4l2.c
@@ -352,12 +352,12 @@ static int mmap_init(AVFormatContext *ctx)
}
s->buffers = req.count;
s->buf_start = av_malloc_array(s->buffers, sizeof(void *));
- if (s->buf_start == NULL) {
+ if (!s->buf_start) {
av_log(ctx, AV_LOG_ERROR, "Cannot allocate buffer pointers\n");
return AVERROR(ENOMEM);
}
s->buf_len = av_malloc_array(s->buffers, sizeof(unsigned int));
- if (s->buf_len == NULL) {
+ if (!s->buf_len) {
av_log(ctx, AV_LOG_ERROR, "Cannot allocate buffer sizes\n");
av_free(s->buf_start);
return AVERROR(ENOMEM);
@@ -558,7 +558,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
#endif
buf_descriptor = av_malloc(sizeof(struct buff_data));
- if (buf_descriptor == NULL) {
+ if (!buf_descriptor) {
/* Something went wrong... Since av_malloc() failed, we cannot even
* allocate a buffer for memcpying into it
*/
diff --git a/libavfilter/vf_vidstabtransform.c b/libavfilter/vf_vidstabtransform.c
index 80968aedccc8e8b47f823b2c47f4f89f8d1c1c10..3ce4769483da6d6c335457514ee980a3f7111f79 100644
--- a/libavfilter/vf_vidstabtransform.c
+++ b/libavfilter/vf_vidstabtransform.c
@@ -207,7 +207,7 @@ static int config_input(AVFilterLink *inlink)
av_log(ctx, AV_LOG_INFO, " interpol = %s\n", getInterpolationTypeName(tc->conf.interpolType));
f = fopen(tc->input, "r");
- if (f == NULL) {
+ if (!f) {
av_log(ctx, AV_LOG_ERROR, "cannot open input file %s\n", tc->input);
return AVERROR(errno);
} else {
diff --git a/libavformat/avs.c b/libavformat/avs.c
index 781430124444c0a715d524e691f5854b9f6d3f5b..b699dbf9bab53043602e6222dd52cfaeb9b9aebc 100644
--- a/libavformat/avs.c
+++ b/libavformat/avs.c
@@ -182,7 +182,7 @@ static int avs_read_packet(AVFormatContext * s, AVPacket * pkt)
case AVS_VIDEO:
if (!avs->st_video) {
avs->st_video = avformat_new_stream(s, NULL);
- if (avs->st_video == NULL)
+ if (!avs->st_video)
return AVERROR(ENOMEM);
avs->st_video->codec->codec_type = AVMEDIA_TYPE_VIDEO;
avs->st_video->codec->codec_id = AV_CODEC_ID_AVS;
@@ -201,7 +201,7 @@ static int avs_read_packet(AVFormatContext * s, AVPacket * pkt)
case AVS_AUDIO:
if (!avs->st_audio) {
avs->st_audio = avformat_new_stream(s, NULL);
- if (avs->st_audio == NULL)
+ if (!avs->st_audio)
return AVERROR(ENOMEM);
avs->st_audio->codec->codec_type = AVMEDIA_TYPE_AUDIO;
}
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 31ee4567aaf5fc697ed843a4e41fabeb14cc0b73..2dda729bab1b4706cd42a744111a071ba557fc0e 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -1658,7 +1658,7 @@ static int matroska_parse_tracks(AVFormatContext *s)
track->type);
continue;
}
- if (track->codec_id == NULL)
+ if (!track->codec_id)
continue;
if (track->type == MATROSKA_TRACK_TYPE_VIDEO) {
@@ -1735,7 +1735,7 @@ static int matroska_parse_tracks(AVFormatContext *s)
}
st = track->stream = avformat_new_stream(s, NULL);
- if (st == NULL) {
+ if (!st) {
av_free(key_id_base64);
return AVERROR(ENOMEM);
}
@@ -1821,7 +1821,7 @@ static int matroska_parse_tracks(AVFormatContext *s)
int profile = matroska_aac_profile(track->codec_id);
int sri = matroska_aac_sri(track->audio.samplerate);
extradata = av_mallocz(5 + FF_INPUT_BUFFER_PADDING_SIZE);
- if (extradata == NULL)
+ if (!extradata)
return AVERROR(ENOMEM);
extradata[0] = (profile << 3) | ((sri & 0x0E) >> 1);
extradata[1] = ((sri & 0x01) << 7) | (track->audio.channels << 3);
@@ -1840,7 +1840,7 @@ static int matroska_parse_tracks(AVFormatContext *s)
extradata_size = 12 + track->codec_priv.size;
extradata = av_mallocz(extradata_size +
FF_INPUT_BUFFER_PADDING_SIZE);
- if (extradata == NULL)
+ if (!extradata)
return AVERROR(ENOMEM);
AV_WB32(extradata, extradata_size);
memcpy(&extradata[4], "alac", 4);
@@ -1850,7 +1850,7 @@ static int matroska_parse_tracks(AVFormatContext *s)
} else if (codec_id == AV_CODEC_ID_TTA) {
extradata_size = 30;
extradata = av_mallocz(extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
- if (extradata == NULL)
+ if (!extradata)
return AVERROR(ENOMEM);
ffio_init_context(&b, extradata, extradata_size, 1,
NULL, NULL, NULL, NULL);
@@ -2130,7 +2130,7 @@ static int matroska_read_header(AVFormatContext *s)
av_log(matroska->ctx, AV_LOG_ERROR, "incomplete attachment\n");
} else {
AVStream *st = avformat_new_stream(s, NULL);
- if (st == NULL)
+ if (!st)
break;
av_dict_set(&st->metadata, "filename", attachments[j].filename, 0);
av_dict_set(&st->metadata, "mimetype", attachments[j].mime, 0);
@@ -2561,7 +2561,7 @@ static int matroska_parse_webvtt(MatroskaDemuxContext *matroska,
buf = av_packet_new_side_data(pkt,
AV_PKT_DATA_WEBVTT_IDENTIFIER,
id_len);
- if (buf == NULL) {
+ if (!buf) {
av_free(pkt);
return AVERROR(ENOMEM);
}
@@ -2572,7 +2572,7 @@ static int matroska_parse_webvtt(MatroskaDemuxContext *matroska,
buf = av_packet_new_side_data(pkt,
AV_PKT_DATA_WEBVTT_SETTINGS,
settings_len);
- if (buf == NULL) {
+ if (!buf) {
av_free(pkt);
return AVERROR(ENOMEM);
}
@@ -2659,7 +2659,7 @@ static int matroska_parse_frame(MatroskaDemuxContext *matroska,
uint8_t *side_data = av_packet_new_side_data(pkt,
AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL,
additional_size + 8);
- if (side_data == NULL) {
+ if (!side_data) {
av_free_packet(pkt);
av_free(pkt);
return AVERROR(ENOMEM);
@@ -2672,7 +2672,7 @@ static int matroska_parse_frame(MatroskaDemuxContext *matroska,
uint8_t *side_data = av_packet_new_side_data(pkt,
AV_PKT_DATA_SKIP_SAMPLES,
10);
- if (side_data == NULL) {
+ if (!side_data) {
av_free_packet(pkt);
av_free(pkt);
return AVERROR(ENOMEM);
@@ -3406,7 +3406,7 @@ static int webm_dash_manifest_read_header(AVFormatContext *s)
// basename of the file
buf = strrchr(s->filename, '/');
- if (buf == NULL) return -1;
+ if (!buf) return -1;
av_dict_set(&s->streams[0]->metadata, FILENAME, ++buf, 0);
// duration
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index 3ec8ef27a929d9754374a613ccf790a1b23f3a3c..7123ec6c9656612e44fb12ea2a1efed9087679ce 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -309,7 +309,7 @@ static mkv_seekhead *mkv_start_seekhead(AVIOContext *pb, int64_t segment_offset,
int numelements)
{
mkv_seekhead *new_seekhead = av_mallocz(sizeof(mkv_seekhead));
- if (new_seekhead == NULL)
+ if (!new_seekhead)
return NULL;
new_seekhead->segment_offset = segment_offset;
@@ -335,7 +335,7 @@ static int mkv_add_seekhead_entry(mkv_seekhead *seekhead, unsigned int elementid
return -1;
entries = av_realloc_array(entries, seekhead->num_entries + 1, sizeof(mkv_seekhead_entry));
- if (entries == NULL)
+ if (!entries)
return AVERROR(ENOMEM);
seekhead->entries = entries;
@@ -401,7 +401,7 @@ fail:
static mkv_cues *mkv_start_cues(int64_t segment_offset)
{
mkv_cues *cues = av_mallocz(sizeof(mkv_cues));
- if (cues == NULL)
+ if (!cues)
return NULL;
cues->segment_offset = segment_offset;
@@ -417,7 +417,7 @@ static int mkv_add_cuepoint(mkv_cues *cues, int stream, int tracknum, int64_t ts
return 0;
entries = av_realloc_array(entries, cues->num_entries + 1, sizeof(mkv_cuepoint));
- if (entries == NULL)
+ if (!entries)
return AVERROR(ENOMEM);
cues->entries = entries;
@@ -1336,7 +1336,7 @@ static int mkv_write_header(AVFormatContext *s)
mkv_write_seekhead(pb, mkv->main_seekhead);
mkv->cues = mkv_start_cues(mkv->segment_offset);
- if (mkv->cues == NULL)
+ if (!mkv->cues)
return AVERROR(ENOMEM);
if (pb->seekable && mkv->reserve_cues_space) {
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 20710be41cfab78c30ba8ce2eee44cebcc170f88..5d7682c293aeb664a076fc1ba3bc9b4b21ea226c 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -2065,7 +2065,7 @@ static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
int ret, size;
uint8_t *buf;
- if (st == NULL || mov->fc->flags & AVFMT_FLAG_BITEXACT)
+ if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT)
return 0;
ret = avio_open_dyn_buf(&pb_buf);
diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index d2a25317d9a2217c6f3b5d13b37b6d97bdf191f8..2d15a6a036d96f3d5cf70b91537424a2c72d1b05 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -2037,7 +2037,7 @@ static int handle_packet(MpegTSContext *ts, const uint8_t *packet)
return 0;
is_start = packet[1] & 0x40;
tss = ts->pids[pid];
- if (ts->auto_guess && tss == NULL && is_start) {
+ if (ts->auto_guess && !tss && is_start) {
add_pes_stream(ts, pid, -1);
tss = ts->pids[pid];
}
diff --git a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c
index c925afbe1a7d0c677f96d0d64a29e16184899396..208360f46528a7ed5c70c1c5df1d3f474c933726 100644
--- a/libavformat/mpegtsenc.c
+++ b/libavformat/mpegtsenc.c
@@ -481,7 +481,7 @@ static int mpegts_write_pmt(AVFormatContext *s, MpegTSService *service)
return 0;
}
-/* NOTE: str == NULL is accepted for an empty string */
+/* NOTE: !str is accepted for an empty string */
static void putstr8(uint8_t **q_ptr, const char *str)
{
uint8_t *q;
diff --git a/libavformat/nsvdec.c b/libavformat/nsvdec.c
index 926e88ec8ac0137e069a81c1e8e31702b8df3037..8200e4defad304a0f13aa2dd4dd45f49b1b82966 100644
--- a/libavformat/nsvdec.c
+++ b/libavformat/nsvdec.c
@@ -665,7 +665,7 @@ static int nsv_read_packet(AVFormatContext *s, AVPacket *pkt)
av_dlog(s, "%s()\n", __FUNCTION__);
/* in case we don't already have something to eat ... */
- if (nsv->ahead[0].data == NULL && nsv->ahead[1].data == NULL)
+ if (!nsv->ahead[0].data && !nsv->ahead[1].data)
err = nsv_read_chunk(s, 0);
if (err < 0)
return err;
diff --git a/libavformat/oggdec.c b/libavformat/oggdec.c
index dcead1c2279af24147b1a9a6ee4dea83558691ed..f17393bfa89df4a4deced9fc637d440ecfb1da5b 100644
--- a/libavformat/oggdec.c
+++ b/libavformat/oggdec.c
@@ -796,7 +796,7 @@ retry:
uint8_t *side_data = av_packet_new_side_data(pkt,
AV_PKT_DATA_SKIP_SAMPLES,
10);
- if(side_data == NULL)
+ if(!side_data)
goto fail;
AV_WL32(side_data + 4, os->end_trimming);
os->end_trimming = 0;
@@ -806,7 +806,7 @@ retry:
uint8_t *side_data = av_packet_new_side_data(pkt,
AV_PKT_DATA_METADATA_UPDATE,
os->new_metadata_size);
- if(side_data == NULL)
+ if(!side_data)
goto fail;
memcpy(side_data, os->new_metadata, os->new_metadata_size);
diff --git a/libavformat/rtpenc.c b/libavformat/rtpenc.c
index e7527c774a9cf4165f2af503d9ab9a6cf87ea555..4f9edef0ccee80b5ce57207ff49abb0dc32e566c 100644
--- a/libavformat/rtpenc.c
+++ b/libavformat/rtpenc.c
@@ -145,7 +145,7 @@ static int rtp_write_header(AVFormatContext *s1)
return AVERROR(EIO);
}
s->buf = av_malloc(s1->packet_size);
- if (s->buf == NULL) {
+ if (!s->buf) {
return AVERROR(ENOMEM);
}
s->max_payload_size = s1->packet_size - 12;
diff --git a/libavformat/rtspdec.c b/libavformat/rtspdec.c
index 51c80c61ebd973b98d79b71d7726fa029401b4ca..b4b4f12556f3c2d785a378789bfb53f86188ce21 100644
--- a/libavformat/rtspdec.c
+++ b/libavformat/rtspdec.c
@@ -412,7 +412,7 @@ static inline int parse_command_line(AVFormatContext *s, const char *line,
}
searchlinept = strchr(linept, ' ');
- if (searchlinept == NULL) {
+ if (!searchlinept) {
av_log(s, AV_LOG_ERROR, "Error parsing message URI\n");
return AVERROR_INVALIDDATA;
}
diff --git a/libavformat/rtspenc.c b/libavformat/rtspenc.c
index af6f7996dce0a0f5aafafef31de4fbfb3c803fcf..12fb4102dc061cf027e9510f36564664e83535da 100644
--- a/libavformat/rtspenc.c
+++ b/libavformat/rtspenc.c
@@ -56,7 +56,7 @@ int ff_rtsp_setup_output_streams(AVFormatContext *s, const char *addr)
/* Announce the stream */
sdp = av_mallocz(SDP_MAX_SIZE);
- if (sdp == NULL)
+ if (!sdp)
return AVERROR(ENOMEM);
/* We create the SDP based on the RTSP AVFormatContext where we
* aren't allowed to change the filename field. (We create the SDP
diff --git a/libavformat/sdp.c b/libavformat/sdp.c
index c53de9051718ec8d42ab0635226a4aa2db083d02..8c831f3607369419806a8ea1480ae6915fa8eb40 100644
--- a/libavformat/sdp.c
+++ b/libavformat/sdp.c
@@ -189,7 +189,7 @@ static char *extradata2psets(AVCodecContext *c)
}
psets = av_mallocz(MAX_PSET_SIZE);
- if (psets == NULL) {
+ if (!psets) {
av_log(c, AV_LOG_ERROR, "Cannot allocate memory for the parameter sets.\n");
av_free(orig_extradata);
return NULL;
@@ -216,7 +216,7 @@ static char *extradata2psets(AVCodecContext *c)
sps = r;
sps_end = r1;
}
- if (av_base64_encode(p, MAX_PSET_SIZE - (p - psets), r, r1 - r) == NULL) {
+ if (!av_base64_encode(p, MAX_PSET_SIZE - (p - psets), r, r1 - r)) {
av_log(c, AV_LOG_ERROR, "Cannot Base64-encode %"PTRDIFF_SPECIFIER" %"PTRDIFF_SPECIFIER"!\n", MAX_PSET_SIZE - (p - psets), r1 - r);
av_free(psets);
@@ -250,7 +250,7 @@ static char *extradata2config(AVCodecContext *c)
return NULL;
}
config = av_malloc(10 + c->extradata_size * 2);
- if (config == NULL) {
+ if (!config) {
av_log(c, AV_LOG_ERROR, "Cannot allocate memory for the config info.\n");
return NULL;
}
@@ -457,7 +457,7 @@ static char *sdp_write_media_attributes(char *buff, int size, AVCodecContext *c,
av_log(c, AV_LOG_ERROR, "AAC with no global headers is currently not supported.\n");
return NULL;
}
- if (config == NULL) {
+ if (!config) {
return NULL;
}
av_strlcatf(buff, size, "a=rtpmap:%d MPEG4-GENERIC/%d/%d\r\n"
diff --git a/libavformat/webmdashenc.c b/libavformat/webmdashenc.c
index 381efb7888ab75ae13117aff74b10fadf7d4cf07..9cc8d1928c4da23e9573c4fb215dee9d6647a3f9 100644
--- a/libavformat/webmdashenc.c
+++ b/libavformat/webmdashenc.c
@@ -70,7 +70,7 @@ static double get_duration(AVFormatContext *s)
for (i = 0; i < s->nb_streams; i++) {
AVDictionaryEntry *duration = av_dict_get(s->streams[i]->metadata,
DURATION, NULL, 0);
- if (duration == NULL || atof(duration->value) < 0) continue;
+ if (!duration || atof(duration->value) < 0) continue;
if (atof(duration->value) > max) max = atof(duration->value);
}
return max / 1000;
@@ -102,11 +102,11 @@ static int subsegment_alignment(AVFormatContext *s, AdaptationSet *as) {
int i;
AVDictionaryEntry *gold = av_dict_get(s->streams[as->streams[0]]->metadata,
CUE_TIMESTAMPS, NULL, 0);
- if (gold == NULL) return 0;
+ if (!gold) return 0;
for (i = 1; i < as->nb_streams; i++) {
AVDictionaryEntry *ts = av_dict_get(s->streams[as->streams[i]]->metadata,
CUE_TIMESTAMPS, NULL, 0);
- if (ts == NULL || strncmp(gold->value, ts->value, strlen(gold->value))) return 0;
+ if (!ts || strncmp(gold->value, ts->value, strlen(gold->value))) return 0;
}
return 1;
}
@@ -116,12 +116,12 @@ static int bitstream_switching(AVFormatContext *s, AdaptationSet *as) {
AVDictionaryEntry *gold_track_num = av_dict_get(s->streams[as->streams[0]]->metadata,
TRACK_NUMBER, NULL, 0);
AVCodecContext *gold_codec = s->streams[as->streams[0]]->codec;
- if (gold_track_num == NULL) return 0;
+ if (!gold_track_num) return 0;
for (i = 1; i < as->nb_streams; i++) {
AVDictionaryEntry *track_num = av_dict_get(s->streams[as->streams[i]]->metadata,
TRACK_NUMBER, NULL, 0);
AVCodecContext *codec = s->streams[as->streams[i]]->codec;
- if (track_num == NULL ||
+ if (!track_num ||
strncmp(gold_track_num->value, track_num->value, strlen(gold_track_num->value)) ||
gold_codec->codec_id != codec->codec_id ||
gold_codec->extradata_size != codec->extradata_size ||
@@ -167,7 +167,7 @@ static int write_adaptation_set(AVFormatContext *s, int as_index)
for (i = 0; i < as->nb_streams; i++) {
AVDictionaryEntry *kf = av_dict_get(s->streams[as->streams[i]]->metadata,
CLUSTER_KEYFRAME, NULL, 0);
- if (kf == NULL || !strncmp(kf->value, "0", 1)) subsegmentStartsWithSAP = 0;
+ if (!kf || !strncmp(kf->value, "0", 1)) subsegmentStartsWithSAP = 0;
}
avio_printf(s->pb, " subsegmentStartsWithSAP=\"%d\"", subsegmentStartsWithSAP);
avio_printf(s->pb, ">\n");
@@ -179,8 +179,8 @@ static int write_adaptation_set(AVFormatContext *s, int as_index)
AVDictionaryEntry *cues_end = av_dict_get(stream->metadata, CUES_END, NULL, 0);
AVDictionaryEntry *filename = av_dict_get(stream->metadata, FILENAME, NULL, 0);
AVDictionaryEntry *bandwidth = av_dict_get(stream->metadata, BANDWIDTH, NULL, 0);
- if (irange == NULL || cues_start == NULL || cues_end == NULL || filename == NULL ||
- bandwidth == NULL) {
+ if (!irange || cues_start == NULL || cues_end == NULL || filename == NULL ||
+ !bandwidth) {
return -1;
}
avio_printf(s->pb, "<Representation id=\"%d\"", i);
@@ -202,7 +202,7 @@ static int to_integer(char *p, int len)
{
int ret;
char *q = av_malloc(sizeof(char) * len);
- if (q == NULL) return -1;
+ if (!q) return -1;
strncpy(q, p, len);
ret = atoi(q);
av_free(q);
diff --git a/libavutil/eval.c b/libavutil/eval.c
index 99993b9d49ccda79a4ab1974a4044c84c98a52f4..5099e57faed62fe4ad566bde4b73a52275690f20 100644
--- a/libavutil/eval.c
+++ b/libavutil/eval.c
@@ -359,7 +359,7 @@ static int parse_primary(AVExpr **e, Parser *p)
}
p->s= strchr(p->s, '(');
- if (p->s==NULL) {
+ if (!p->s) {
av_log(p, AV_LOG_ERROR, "Undefined constant or missing '(' in '%s'\n", s0);
p->s= next;
av_expr_free(d);
diff --git a/libavutil/file.c b/libavutil/file.c
index 45fe8538de01f5efe82492b7d2cfefab41c5d5ce..5e0dc7ab687448588cf4817f88ea94736da352e6 100644
--- a/libavutil/file.c
+++ b/libavutil/file.c
@@ -152,7 +152,7 @@ int av_tempfile(const char *prefix, char **filename, int log_offset, void *log_c
*filename = av_malloc(len);
#endif
/* -----common section-----*/
- if (*filename == NULL) {
+ if (!*filename) {
av_log(&file_log_ctx, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n");
return AVERROR(ENOMEM);
}
diff --git a/libavutil/imgutils.h b/libavutil/imgutils.h
index 23282a38fa796ab962f88ff9c203d60fac25969f..2ec246aa48b2e3e8f93d254e317c8155d192c961 100644
--- a/libavutil/imgutils.h
+++ b/libavutil/imgutils.h
@@ -130,7 +130,7 @@ void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4],
* line sizes will be set. If a planar format is specified, several
* pointers will be set pointing to the different picture planes and
* the line sizes of the different planes will be stored in the
- * lines_sizes array. Call with src == NULL to get the required
+ * lines_sizes array. Call with !src to get the required
* size for the src buffer.
*
* To allocate the buffer and fill in the dst_data and dst_linesize in
diff --git a/libavutil/internal.h b/libavutil/internal.h
index 2d1b37b719420fbbfa51fda1711f2221205be991..612b5f26af3b4f101f66cba49ce056f39aff6323 100644
--- a/libavutil/internal.h
+++ b/libavutil/internal.h
@@ -132,7 +132,7 @@
#define FF_ALLOC_OR_GOTO(ctx, p, size, label)\
{\
p = av_malloc(size);\
- if (p == NULL && (size) != 0) {\
+ if (!(p) && (size) != 0) {\
av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\
goto label;\
}\
@@ -141,7 +141,7 @@
#define FF_ALLOCZ_OR_GOTO(ctx, p, size, label)\
{\
p = av_mallocz(size);\
- if (p == NULL && (size) != 0) {\
+ if (!(p) && (size) != 0) {\
av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\
goto label;\
}\
@@ -150,7 +150,7 @@
#define FF_ALLOC_ARRAY_OR_GOTO(ctx, p, nelem, elsize, label)\
{\
p = av_malloc_array(nelem, elsize);\
- if (p == NULL) {\
+ if (!p) {\
av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\
goto label;\
}\
@@ -159,7 +159,7 @@
#define FF_ALLOCZ_ARRAY_OR_GOTO(ctx, p, nelem, elsize, label)\
{\
p = av_mallocz_array(nelem, elsize);\
- if (p == NULL) {\
+ if (!p) {\
av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\
goto label;\
}\
diff --git a/libpostproc/postprocess.c b/libpostproc/postprocess.c
index da586ffd31c7868c506d3a9ed587714877d17c35..3132d5906b712b0936d4dedec5918d2b8c0bffb5 100644
--- a/libpostproc/postprocess.c
+++ b/libpostproc/postprocess.c
@@ -716,10 +716,10 @@ pp_mode *pp_get_mode_by_name_and_quality(const char *name, int quality)
int enable=1; //does the user want us to enabled or disabled the filter
filterToken= strtok(p, filterDelimiters);
- if(filterToken == NULL) break;
+ if(!filterToken) break;
p+= strlen(filterToken) + 1; // p points to next filterToken
filterName= strtok(filterToken, optionDelimiters);
- if (filterName == NULL) {
+ if (!filterName) {
ppMode->error++;
break;
}
@@ -732,7 +732,7 @@ pp_mode *pp_get_mode_by_name_and_quality(const char *name, int quality)
for(;;){ //for all options
option= strtok(NULL, optionDelimiters);
- if(option == NULL) break;
+ if(!option) break;
av_log(NULL, AV_LOG_DEBUG, "pp: option: %s\n", option);
if(!strcmp("autoq", option) || !strcmp("a", option)) q= quality;
@@ -967,7 +967,7 @@ void pp_postprocess(const uint8_t * src[3], const int srcStride[3],
FFMAX(minStride, c->stride),
FFMAX(c->qpStride, absQPStride));
- if(QP_store==NULL || (mode->lumMode & FORCE_QUANT)){
+ if(!QP_store || (mode->lumMode & FORCE_QUANT)){
int i;
QP_store= c->forcedQPTable;
absQPStride = QPStride = 0;
diff --git a/tools/crypto_bench.c b/tools/crypto_bench.c
index 1a699ce684243312cd108c55625e8ede6d068826..96820ae4283f3e554279790f834190cf3198f6f3 100644
--- a/tools/crypto_bench.c
+++ b/tools/crypto_bench.c
@@ -173,7 +173,7 @@ static void run_gcrypt_aes128(uint8_t *output,
const uint8_t *input, unsigned size)
{
static gcry_cipher_hd_t aes;
- if (aes == NULL)
+ if (!aes)
gcry_cipher_open(&aes, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_ECB, 0);
gcry_cipher_setkey(aes, hardcoded_key, 16);
gcry_cipher_encrypt(aes, output, size, input, size);