[FFmpeg-devel] [PATCH 3/7] api-band-test: use non-obsolete decoding API
Anton Khirnov
anton at khirnov.net
Sat Dec 12 17:45:51 EET 2020
---
tests/api/api-band-test.c | 90 +++++++++++++++++++++++----------------
1 file changed, 53 insertions(+), 37 deletions(-)
diff --git a/tests/api/api-band-test.c b/tests/api/api-band-test.c
index 257e741694..34bed1d6be 100644
--- a/tests/api/api-band-test.c
+++ b/tests/api/api-band-test.c
@@ -71,14 +71,12 @@ static int video_decode(const char *input_filename)
AVCodecParameters *origin_par = NULL;
uint8_t *byte_buffer = NULL;
AVFrame *fr = NULL;
- AVPacket pkt;
+ AVPacket *pkt;
AVFormatContext *fmt_ctx = NULL;
int number_of_written_bytes;
int video_stream;
- int got_frame = 0;
int byte_buffer_size;
int result;
- int end_of_stream = 0;
draw_horiz_band_called = 0;
@@ -135,6 +133,12 @@ static int video_decode(const char *input_filename)
return AVERROR(ENOMEM);
}
+ pkt = av_packet_alloc();
+ if (!pkt) {
+ av_log(NULL, AV_LOG_ERROR, "Cannot allocate packet\n");
+ return AVERROR(ENOMEM);
+ }
+
if (strcmp(codec->name, "flv") && strcmp(codec->name, "mpeg4") && strcmp(codec->name, "huffyuv")) {
av_log(NULL, AV_LOG_ERROR, "Wrong codec\n");
return -1;
@@ -155,48 +159,60 @@ static int video_decode(const char *input_filename)
memset(slice_byte_buffer, 0, byte_buffer_size);
slice_byte_buffer_size = byte_buffer_size;
- av_init_packet(&pkt);
- do {
- if (!end_of_stream) {
- if (av_read_frame(fmt_ctx, &pkt) < 0) {
- end_of_stream = 1;
- }
+ result = 0;
+ while (result >= 0) {
+ result = av_read_frame(fmt_ctx, pkt);
+ if (result >= 0 && pkt->stream_index != video_stream) {
+ av_packet_unref(pkt);
+ continue;
}
- if (end_of_stream) {
- pkt.data = NULL;
- pkt.size = 0;
+
+ if (result < 0)
+ result = avcodec_send_packet(ctx, NULL);
+ else
+ result = avcodec_send_packet(ctx, pkt);
+
+ av_packet_unref(pkt);
+
+ if (result < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Error submitting a packet for decoding\n");
+ return result;
}
- if (pkt.stream_index == video_stream || end_of_stream) {
- got_frame = 0;
- result = avcodec_decode_video2(ctx, fr, &got_frame, &pkt);
- if (result < 0) {
+
+ while (result >= 0) {
+ result = avcodec_receive_frame(ctx, fr);
+ if (result == AVERROR_EOF)
+ goto finish;
+ else if (result == AVERROR(EAGAIN)) {
+ result = 0;
+ break;
+ } else if (result < 0) {
av_log(NULL, AV_LOG_ERROR, "Error decoding frame\n");
return result;
}
- if (got_frame) {
- number_of_written_bytes = av_image_copy_to_buffer(byte_buffer, byte_buffer_size,
- (const uint8_t* const *)fr->data, (const int*) fr->linesize,
- ctx->pix_fmt, ctx->width, ctx->height, 1);
- if (number_of_written_bytes < 0) {
- av_log(NULL, AV_LOG_ERROR, "Can't copy image to buffer\n");
- return number_of_written_bytes;
- }
- if (draw_horiz_band_called == 0) {
- av_log(NULL, AV_LOG_ERROR, "draw_horiz_band haven't been called!\n");
- return -1;
- }
- if (av_adler32_update(0, (const uint8_t*)byte_buffer, number_of_written_bytes) !=
- av_adler32_update(0, (const uint8_t*)slice_byte_buffer, number_of_written_bytes)) {
- av_log(NULL, AV_LOG_ERROR, "Decoded frames with and without draw_horiz_band are not the same!\n");
- return -1;
- }
+
+ number_of_written_bytes = av_image_copy_to_buffer(byte_buffer, byte_buffer_size,
+ (const uint8_t* const *)fr->data, (const int*) fr->linesize,
+ ctx->pix_fmt, ctx->width, ctx->height, 1);
+ if (number_of_written_bytes < 0) {
+ av_log(NULL, AV_LOG_ERROR, "Can't copy image to buffer\n");
+ return number_of_written_bytes;
+ }
+ if (draw_horiz_band_called == 0) {
+ av_log(NULL, AV_LOG_ERROR, "draw_horiz_band haven't been called!\n");
+ return -1;
+ }
+ if (av_adler32_update(0, (const uint8_t*)byte_buffer, number_of_written_bytes) !=
+ av_adler32_update(0, (const uint8_t*)slice_byte_buffer, number_of_written_bytes)) {
+ av_log(NULL, AV_LOG_ERROR, "Decoded frames with and without draw_horiz_band are not the same!\n");
+ return -1;
}
- av_packet_unref(&pkt);
- av_init_packet(&pkt);
+ av_frame_unref(fr);
}
- } while (!end_of_stream || got_frame);
+ }
- av_packet_unref(&pkt);
+finish:
+ av_packet_free(&pkt);
av_frame_free(&fr);
avformat_close_input(&fmt_ctx);
avcodec_free_context(&ctx);
--
2.28.0
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