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Simplify 'if' condition statements.

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Drop useless '!= 0' from 'exp != 0', replace 'exp == 0' by '!exp'.

Originally committed as revision 19647 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Diego Biurrun
2009-08-15 11:02:50 +00:00
parent cea0b5272d
commit 7c809dc3e2
5 changed files with 14 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
libavcodec/libdirac_libschro.c
View File

@@ -86,12 +86,12 @@ int ff_dirac_schro_queue_push_back (FfmpegDiracSchroQueue *queue, void *p_data)
FfmpegDiracSchroQueueElement *p_new = FfmpegDiracSchroQueueElement *p_new =
av_mallocz(sizeof(FfmpegDiracSchroQueueElement)); av_mallocz(sizeof(FfmpegDiracSchroQueueElement));
if (p_new == NULL) if (!p_new)
return -1; return -1;
p_new->data = p_data; p_new->data = p_data;
if (queue->p_head == NULL) if (!queue->p_head)
queue->p_head = p_new; queue->p_head = p_new;
else else
queue->p_tail->next = p_new; queue->p_tail->next = p_new;
@@ -105,7 +105,7 @@ void *ff_dirac_schro_queue_pop (FfmpegDiracSchroQueue *queue)
{ {
FfmpegDiracSchroQueueElement *top = queue->p_head; FfmpegDiracSchroQueueElement *top = queue->p_head;
if (top != NULL) { if (top) {
void *data = top->data; void *data = top->data;
queue->p_head = queue->p_head->next; queue->p_head = queue->p_head->next;
--queue->size; --queue->size;

2
libavcodec/libdiracdec.c
View File

@@ -141,7 +141,7 @@ static int libdirac_decode_frame(AVCodecContext *avccontext,
avccontext->height); avccontext->height);
/* allocate output buffer */ /* allocate output buffer */
if (p_dirac_params->p_out_frame_buf == NULL) if (!p_dirac_params->p_out_frame_buf)
p_dirac_params->p_out_frame_buf = av_malloc (pict_size); p_dirac_params->p_out_frame_buf = av_malloc (pict_size);
buffer[0] = p_dirac_params->p_out_frame_buf; buffer[0] = p_dirac_params->p_out_frame_buf;
buffer[1] = p_dirac_params->p_out_frame_buf + buffer[1] = p_dirac_params->p_out_frame_buf +

8
libavcodec/libdiracenc.c
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@@ -175,7 +175,7 @@ static av_cold int libdirac_encode_init(AVCodecContext *avccontext)
} }
/* Intra-only sequence */ /* Intra-only sequence */
if (avccontext->gop_size == 0 ) { if (!avccontext->gop_size) {
p_dirac_params->enc_ctx.enc_params.num_L1 = 0; p_dirac_params->enc_ctx.enc_params.num_L1 = 0;
if (avccontext->coder_type == FF_CODER_TYPE_VLC) if (avccontext->coder_type == FF_CODER_TYPE_VLC)
p_dirac_params->enc_ctx.enc_params.using_ac = 0; p_dirac_params->enc_ctx.enc_params.using_ac = 0;
@@ -183,7 +183,7 @@ static av_cold int libdirac_encode_init(AVCodecContext *avccontext)
avccontext->has_b_frames = 1; avccontext->has_b_frames = 1;
if (avccontext->flags & CODEC_FLAG_QSCALE) { if (avccontext->flags & CODEC_FLAG_QSCALE) {
if (avccontext->global_quality != 0) { if (avccontext->global_quality) {
p_dirac_params->enc_ctx.enc_params.qf = p_dirac_params->enc_ctx.enc_params.qf =
avccontext->global_quality / (FF_QP2LAMBDA*10.0); avccontext->global_quality / (FF_QP2LAMBDA*10.0);
/* if it is not default bitrate then send target rate. */ /* if it is not default bitrate then send target rate. */
@@ -246,7 +246,7 @@ static int libdirac_encode_frame(AVCodecContext *avccontext,
int go = 1; int go = 1;
int last_frame_in_sequence = 0; int last_frame_in_sequence = 0;
if (data == NULL) { if (!data) {
/* push end of sequence if not already signalled */ /* push end of sequence if not already signalled */
if (!p_dirac_params->eos_signalled) { if (!p_dirac_params->eos_signalled) {
dirac_encoder_end_sequence( p_dirac_params->p_encoder ); dirac_encoder_end_sequence( p_dirac_params->p_encoder );
@@ -358,7 +358,7 @@ static int libdirac_encode_frame(AVCodecContext *avccontext,
p_next_output_frame = p_next_output_frame =
ff_dirac_schro_queue_pop(&p_dirac_params->enc_frame_queue); ff_dirac_schro_queue_pop(&p_dirac_params->enc_frame_queue);
if (p_next_output_frame == NULL) if (!p_next_output_frame)
return 0; return 0;
memcpy(frame, p_next_output_frame->p_encbuf, p_next_output_frame->size); memcpy(frame, p_next_output_frame->p_encbuf, p_next_output_frame->size);

6
libavcodec/libschroedingerdec.c
View File

@@ -196,7 +196,7 @@ static void libschroedinger_handle_first_access_unit(AVCodecContext *avccontext)
avccontext->time_base.den = p_schro_params->format->frame_rate_numerator; avccontext->time_base.den = p_schro_params->format->frame_rate_numerator;
avccontext->time_base.num = p_schro_params->format->frame_rate_denominator; avccontext->time_base.num = p_schro_params->format->frame_rate_denominator;
if (p_schro_params->dec_pic.data[0] == NULL) if (!p_schro_params->dec_pic.data[0])
{ {
avpicture_alloc(&p_schro_params->dec_pic, avpicture_alloc(&p_schro_params->dec_pic,
avccontext->pix_fmt, avccontext->pix_fmt,
@@ -226,7 +226,7 @@ static int libschroedinger_decode_frame(AVCodecContext *avccontext,
*data_size = 0; *data_size = 0;
FfmpegSchroParseContextInit (&parse_ctx, buf, buf_size); FfmpegSchroParseContextInit (&parse_ctx, buf, buf_size);
if (buf_size == 0) { if (!buf_size) {
if (!p_schro_params->eos_signalled) { if (!p_schro_params->eos_signalled) {
state = schro_decoder_push_end_of_stream(decoder); state = schro_decoder_push_end_of_stream(decoder);
p_schro_params->eos_signalled = 1; p_schro_params->eos_signalled = 1;
@@ -300,7 +300,7 @@ static int libschroedinger_decode_frame(AVCodecContext *avccontext,
/* Grab next frame to be returned from the top of the queue. */ /* Grab next frame to be returned from the top of the queue. */
frame = ff_dirac_schro_queue_pop(&p_schro_params->dec_frame_queue); frame = ff_dirac_schro_queue_pop(&p_schro_params->dec_frame_queue);
if (frame != NULL) { if (frame) {
memcpy (p_schro_params->dec_pic.data[0], memcpy (p_schro_params->dec_pic.data[0],
frame->components[0].data, frame->components[0].data,
frame->components[0].length); frame->components[0].length);

6
libavcodec/libschroedingerenc.c
View File

@@ -145,7 +145,7 @@ static int libschroedinger_encode_init(AVCodecContext *avccontext)
avccontext->coded_frame = &p_schro_params->picture; avccontext->coded_frame = &p_schro_params->picture;
if (avccontext->gop_size == 0){ if (!avccontext->gop_size) {
schro_encoder_setting_set_double (p_schro_params->encoder, schro_encoder_setting_set_double (p_schro_params->encoder,
"gop_structure", "gop_structure",
SCHRO_ENCODER_GOP_INTRA_ONLY); SCHRO_ENCODER_GOP_INTRA_ONLY);
@@ -164,7 +164,7 @@ static int libschroedinger_encode_init(AVCodecContext *avccontext)
/* FIXME - Need to handle SCHRO_ENCODER_RATE_CONTROL_LOW_DELAY. */ /* FIXME - Need to handle SCHRO_ENCODER_RATE_CONTROL_LOW_DELAY. */
if (avccontext->flags & CODEC_FLAG_QSCALE) { if (avccontext->flags & CODEC_FLAG_QSCALE) {
if (avccontext->global_quality == 0) { if (!avccontext->global_quality) {
/* lossless coding */ /* lossless coding */
schro_encoder_setting_set_double (p_schro_params->encoder, schro_encoder_setting_set_double (p_schro_params->encoder,
"rate_control", "rate_control",
@@ -366,7 +366,7 @@ static int libschroedinger_encode_frame(AVCodecContext *avccontext,
p_frame_output = p_frame_output =
ff_dirac_schro_queue_pop (&p_schro_params->enc_frame_queue); ff_dirac_schro_queue_pop (&p_schro_params->enc_frame_queue);
if (p_frame_output == NULL) if (!p_frame_output)
return 0; return 0;
memcpy(frame, p_frame_output->p_encbuf, p_frame_output->size); memcpy(frame, p_frame_output->p_encbuf, p_frame_output->size);